code: def register_magic_parameters():
      return [
          ("header", header),
          ("actor", actor),
          ("cookie", cookie),
          ("now", now),
          ("random", random),
      ]
  
file_path: datasette/datasette/default_magic_parameters.py
imports: from datasette import hookimpl
  import datetime
  import os
  import time
label_desc: Use image node_id 6 for calling a global function with example usage: register_magic_parameters() and returns: list